AB International 280 (280A)

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The AB International (formerly known as Åkesson & Börjesson) 280 (280A) is a flexible, free-swimming wet suction rear drum screen designed for removing coarse solids from industrial wastewater. It is commonly used in various industries such as food processing, pulp and paper, and chemical processing, where it helps to prevent damage to downstream equipment and minimize nuisance odors.The 280A model is an upgraded version of the earlier 280 model, with modifications that improve its functionality and reliability. The key features of the 280A include:1. Sealed hydraulic system: This system enables better screening performance, reduces noise levels, and improves safety by eliminating the risk of injury from hydraulic leaks.2. Modular design: The screen components, including the drum and scrolls, are easily interchangeable, making maintenance and repairs simpler and quicker.3. Improved bearing system: The 280A's bearing system is more robust and efficient, resulting in lower maintenance costs and longer service life.4. Enhanced backup chain system: The backup chain design reduces the risk of stopping the screen during operation due to chain failures.5. Programmable logic controller (PLC): The 280A's PLC provides automatic adjustments of screen speed and reject water flow based on the application requirements, allowing for better screening efficiency.6. Constructed from corrosion-resistant materials: The design of the screen, including its drums and scrolls, minimizes the risk of corrosion, preventing wear and tear that could cause damage to the equipment.In summary, the AB International 280A rear drum screen is an advanced solution for handling coarse solids in industrial wastewater. It presents a reliable alternative that can help prevent damage to downstream equipment, increase process efficiency, and minimize operating costs. Its innovative design features, modular construction, and bespoke capacity handling capabilities present a notable point of difference.

Power Output: 75W into 8Ω (stereo), 180W (mono)
Frequency Response: 20Hz to 20kHz
Distortion: 0.25%
Damping Factor: 250
Speaker Impedance:
Input Sensitivity: 1.6V
Signal to Noise Ratio: 101dB
Dimensions: 1-1/4 x 19 x 13"
Weight: 7.3 kg
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